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Erroneous serial no

Erroneous serial no — Incorrect serial number entered

Nibe · Ground Source Heat Pumps

What does Erroneous serial no mean?

The heat pump has a serial number that does not exist in the system. This stops the compressors and deactivates the relay.

Common Causes

  • Incorrectly entered serial number during setup

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the serial number entered in the system.

  2. 2

    Correct the serial number if it is wrong.

  3. 3

    If the issue persists, contact NIBE support.

Browse all codes in this manual (49)
Verified technical data. Last updated: April 2026

Related Faults

Alarm bell in displayAlarm bell symbol in display — Malfunction detectedAlarm no. 54Alarm no. 54 — Motor protection breaker trippedAlarm numbers 70-99Alarm numbers 70-99 — Communication interrupted
Source: Nibe Ground Source Heat Pumps
Open Manual (Page 48)Search more codes in this manual